/Engine/Source/Editor/UnrealEd/Public/Kismet2/BlueprintEditorUtils.h
Returns TRUE if the variable was created by the Blueprint
static bool IsVariableCreatedByBlueprint ( [UBlueprint](API\Runtime\Engine\Engine\UBlueprint) * InBlueprint, [FProperty](API\Runtime\CoreUObject\UObject\FProperty) * InVariableProperty )